switched out the cast

Author: davisonja

cores/esp8266/Updater.cpp

@@ -112,7 +112,7 @@ bool UpdaterClass::begin(size_t size, int command, int ledPin, uint8_t ledOn) {
     //size of current sketch rounded to a sector
     size_t currentSketchSize = (ESP.getSketchSize() + FLASH_SECTOR_SIZE - 1) & (~(FLASH_SECTOR_SIZE - 1));
     //address of the end of the space available for sketch and update
-    uint32_t updateEndAddress = (uint32_t)&_SKETCH_AREA_end - 0x40200000;
+    uintptr_t updateEndAddress = (uintptr_t) &_SKETCH_AREA_end - 0x40200000;
 
     //size of the update rounded to a sector
     size_t roundedSize = (size + FLASH_SECTOR_SIZE - 1) & (~(FLASH_SECTOR_SIZE - 1));